This is why: http://www.ritholtz.com/blog/2010/06/piis-country-ex-g-yields-lower-thx-to-portugal/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+TheBigPicture+%28The+Big+Picture%29
PIIS country (ex G) yields lower thx to Portugal
By Peter Boockvar - June 9th, 2010, 8:25AM...